CHINT/CHINT NVF3 series inverter has a maximum input voltage of 440V

Introduction: NVF3 inverter is a high-performance vector control inverter independently developed by our company, which adopts advanced control strategy to achieve high-precision magnetic flux vector torque control, with high control accuracy, wide speed regulation range, large starting torque, high reliability, strong overload capacity, flexible and convenient operation and other characteristics. Rich and practical speed control, torque control, process closed-loop control, simple PLC, swing frequency control, multi-stage speed control and other functions, which can meet the needs of various complex high-precision transmissions.

NVF3 series inverter is divided into two types: constant torque type (heavy load) and fan pump type (light load), which has the functions of strong load adaptability, reliable and stable operation, automatic energy-saving operation and so on.

The products are designed and tested in accordance with international standards, and strictly simulate the user environment.

Standards: GB/T 12668.2, EN 61800-5-1, EN 61800-3.

CHINT/CHINT NVF3 series inverter has a maximum input voltage of 440V

　　Product parameters

input

Input voltage range: three-phase AC 380-440V: (380-15%) - (440+15%)

Input frequency range: (47-63)Hz

output

Output voltage range: 0 - rated input voltage

Output frequency range: (0-300)Hz

Peripheral interfaces

Programmable digital inputs: 7 channels (including 1 high-speed pulse input)

Programmable analog input: AI1: (-10-10)V or (0/4-20)mA input; AI2: (-10-10)V or (0/4-20)mA input; AI3: (-10-+10)V input; AI1+AI2

Open collector output: 2 outputs (including 1 high-speed pulse output)

Relay output: 2 outputs;

Analog output: 2 outputs, (0-10)V or (0/4-20)mA can be selected respectively

Operational features

Torque Lift: Automatic Torque Lifting; Manual torque increased by 0.1% - 30.0%

Energy braking: built-in or external braking unit, external braking resistor

DC braking start, stop are optional, action frequency (0-60) Hz, braking current (0-100)% rated current, action time (0.0-30.0)s

Jog control: jog frequency range: (0-50)Hz, jog acceleration and deceleration time (0.1-6000.0)s

Multi-speed operation: Multi-speed operation is achieved through the built-in simple PLC or control multi-function terminal

Automatic Voltage Adjustment (AVR): Automatically keeps the output voltage constant when the grid voltage changes

Automatic current limiting: The current is automatically limited during operation to prevent frequent overcurrent fault tripping

Built-in PID controller: It can easily form a closed-loop control system

Custom MF function key: MF key can be set to jog operation, free parking, and fast stopping

Protection function: Provide up to 20 kinds of fault protection functions: over-current, over-voltage, under-voltage, over-temperature, phase loss, overload, PID disconnection and other protection functions

Technical characteristics:

Control mode: no PG vector control (SVC), with PG vector control (FVC), V/F control

Overload capacity: Type T: 150% rated current for 1 minute, 180% rated current for 2 seconds; P type: 120% rated current for 1 minute, 150% rated current for 1 second

Starting torque: without PG vector control: 150% rated torque at 0.5Hz, with PG vector control: 180% rated torque at 0.5Hz

Speed control ratio: no PG vector control: 1:100; With PG vector control: 1:1000

Speed control accuracy: (no PG vector control): ±0.2% of the maximum speed ;(with PG vector control): ±0.01% of the maximum speed

Carrier frequency: (0.5-15) kHz

structure

Degree of protection: IP20

Brake unit: Models with 30kW or less are equipped with a braking unit as standard, and models with 30kW and above are equipped with a braking unit as an option

Cooling method: NVF3 inverter adopts high-speed DC fan cooling for the whole series

We will provide customers with high-quality products and satisfactory services with honest and trustworthy, convenient and fast business methods and strict management.

This article introduces CHINT/CHINT NVF3 series inverter with a maximum input voltage of 440V products, if you are interested in CHINT/CHINT inverter, please also contact our customer service, we are looking forward to your call, hope our technology and service can bring you a better experience.

CHINT/CHINT NVF3 series inverter has a maximum input voltage of 440V

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